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fix unsoundness in quantifier propagation #6116 and add initial lemma logging

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This commit is contained in:
Nikolaj Bjorner 2022-08-23 19:09:50 -07:00
parent 912b284602
commit ce1f3987d9
15 changed files with 78 additions and 13 deletions
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10
src/sat/smt/q_ematch.cpp
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@ -379,9 +379,14 @@ namespace q {
else {
++m_stats.m_num_propagations;
auto& j = justification::from_index(j_idx);
auto lit = instantiate(j.m_clause, j.m_binding, j.m_clause[idx]);
ctx.propagate(lit, j_idx);
sat::literal_vector lits;
lits.push_back(~j.m_clause.m_literal);
for (unsigned i = 0; i < j.m_clause.size(); ++i)
lits.push_back(instantiate(j.m_clause, j.m_binding, j.m_clause[i]));
m_qs.log_instantiation(lits);
m_qs.add_clause(lits);
}
}
bool ematch::flush_prop_queue() {
@ -408,6 +413,7 @@ namespace q {
void ematch::add_instantiation(clause& c, binding& b, sat::literal lit) {
m_evidence.reset();
ctx.propagate(lit, mk_justification(UINT_MAX, c, b.nodes()));
m_qs.log_instantiation(~c.m_literal, lit);
}
sat::literal ematch::instantiate(clause& c, euf::enode* const* binding, lit const& l) {